@navinc/base-react-components/src/radio.js

Nav's Pattern Library

import React, { useRef, useEffect } from 'react'
import styled from 'styled-components'
import Copy from './copy'
import { focusWithoutScroll } from '@navinc/utils'

const getLabelStyling = ({ isInvalid, theme }) => `
  margin: 0;
  padding: 0;
  color: ${isInvalid ? theme.error : 'inherit'};
`

const CopyLabel = styled(({ isInvalid, ...props }) => <Copy {...props} />)`
  ${getLabelStyling}
`

const DivLabel = styled.div`
  ${getLabelStyling}
`

const RadioItem = styled.label`
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  flex: 1 1 auto;
  margin-bottom: 0;
  cursor: pointer;
  text-align: left;
  ${({ asideContent, hasBorder, theme }) =>
    (asideContent || hasBorder) &&
    `
    border-radius: 12px;
    border: 1px solid ${theme.border};
    padding: 8px;
    padding-left: 16px;
    padding-right: 16px;
    min-height: 62px;
  `}

  ${({ checked, checkedBackgroundColor }) =>
    checked &&
    checkedBackgroundColor &&
    `
    background-color: ${checkedBackgroundColor};
    border-color: ${checkedBackgroundColor};
  `}

  & > :first-child {
    margin-right: 16px;
  }
`

const AsideContainer = styled.div`
  display: flex;
  flex: 1;
  justify-content: flex-end;
  margin-left: 8px;
`

const RadioIndicator = styled.input.attrs(() => ({ type: 'radio' }))`
  box-sizing: border-box;
  border-radius: 50%;
  background-color: ${({ checked, theme }) => (checked ? theme.navBlue : 'transparent')};
  height: 12px;
  width: 12px;
  appearance: none;
  margin: 0;
  font-size: inherit;
  transition: background-color 300ms ease;
`

const RadioSpot = styled.div`
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  border-radius: 50%;
  border-style: solid;
  border-width: ${({ checked }) => (checked ? '2px' : '1px')};
  border-color: ${({ disabled, theme }) => (disabled ? theme.scuttleGray300 : theme.bubbleBlue200)};
  background: ${({ disabled, theme }) => (disabled ? theme.neutral100 : theme.bubbleBlue100)};
  height: 24px;
  flex: 0 0 auto;
  width: 24px;
  transition: box-shadow 300ms ease;

  &:focus-within {
    box-shadow: 0 0 0 8px ${({ theme }) => theme.bubbleBlue300};

    & > ${RadioIndicator} {
      outline: none;
    }
  }
`

export const Radio = ({
  asideContent,
  autoFocus,
  checkedBackgroundColor,
  children,
  label,
  className,
  checked,
  disabled,
  hasBorder,
  isInvalid,
  ...props
}) => {
  const inputRef = useRef(null)

  useEffect(() => {
    if (autoFocus) {
      focusWithoutScroll(inputRef.current)
    }
  }, [autoFocus])

  const Label = typeof label === 'string' ? CopyLabel : DivLabel

  return (
    <RadioItem
      asideContent={asideContent}
      checked={checked}
      className={className}
      hasBorder={hasBorder}
      checkedBackgroundColor={checkedBackgroundColor}
    >
      <RadioSpot {...{ checked, disabled }}>
        <RadioIndicator ref={inputRef} {...{ checked, disabled }} {...props} />
      </RadioSpot>
      <Label isInvalid={isInvalid}>{label}</Label>
      {asideContent && <AsideContainer>{asideContent}</AsideContainer>}
    </RadioItem>
  )
}

const StyledRadio = styled(Radio)``
export default StyledRadio